The RAM-HOL-TAB18-CUPSU includes (2 qty) Tab-Tite™ cup ends and hardware. The interchangeable support cups can be used, along with all RAM Tab-Tite™ and Tab-Lock™ mounts; these include the universal backplate that support all TAB cups. Hardware is included to attach the cup ends to the backplate. The Tab-Tite™ cradle end cups are compatible with any tablet that will fit the dimensions listed below. It is important to verify the dimensions of your tablet when determining the overall size.